September weather forecastShillong, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Shillong, is another warm month, with an average temperature varying between 17.9°C (64.2°F) and 23.8°C (74.8°F).Temperature
The transition into September shows a subtle variation to a still moderately hot 23.8°C (74.8°F) from August's 24.3°C (75.7°F) in the average high-temperature. In the month of September, Shillong witnesses a consistent average low-temperature of 17.9°C (64.2°F).Humidity
The average relative humidity in September is 94%.Rainfall
In September, in Shillong, the rain falls for 30 days. Throughout September, 363mm (14.29") of precipitation is accumulated. In Shillong, India, during the entire year, the rain falls for 267.8 days and collects up to 3001mm (118.15") of precipitation.Daylight
In September, the average length of the day in Shillong is 12h and 19min.On the first day of the month, sunrise is at 5:02 am and sunset at 5:41 pm. On the last day of September, sunrise is at 5:14 am and sunset at 5:10 pm IST.
Sunshine
In Shillong, the average sunshine in September is 4.6h.UV index
The months with the highest UV index in Shillong, India, are March through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shillong, India
- Average high temperature in September: 23.8°C
The warmest months (with the highest average high temperature) are June, July and August (24.3°C).
The month with the lowest average high temperature is January (17.8°C).
- Average low temperature in September: 17.9°C
The months with the highest average low temperature are July and August (18.8°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).
Average pressure in September
Shillong, India
- Average pressure in September: 1006.5mbar
The month with the highest atmospheric pressure is January (1015.9mbar).
The month with the lowest atmospheric pressure is July (1002.1mbar).
Average wind speed in September
Shillong, India
- Average wind speed in September: 3.9km/h
The windiest month (with the highest average wind speed) is July (5.5km/h).
The calmest months (with the lowest average wind speed) are November and December (2.6km/h).
Average humidity in September
Shillong, India
- Average humidity in September: 94%
The months with the highest relative humidity are July and August (95%).
The month with the lowest relative humidity is March (65%).
Average rainfall in September
Shillong, India
- Average rainfall in September: 363mm
The wettest month (with the highest rainfall) is July (615mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
Shillong, India
- Average rainfall days in September: 30 days
The months with the highest number of rainy days are July and August (31 days).
The month with the least rainy days is February (8 days).
Average daylight in September /
Average sunshine in September
Shillong, India
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in September: 4h and 36min
The month with the most sunshine is March (Average sunshine: 9h and 12min).
The month with the least sunshine is August (Average sunshine: 4h and 24min).
Average sunshine days in September
Shillong, India
- Average sunshine days in September: 0 days
The month with the most sunshine days is February (19.2 days).
The months with the least sunshine days are July, August and September (0 days).
Average UV index in September
Shillong, India
- Average UV index in September: 5
The months with the highest UV index are March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 4).
Average cloud cover in September
Shillong, India
- Average cloud cover in September: 75
The month with the most cloud cover is July (Cloud cover 81).
The month with the least cloud cover is February (Cloud cover 23).
Average visibility in September
Shillong, India
- Average visibility in September: 5km
The months with the highest visibility are February and March (9km).
The month with the lowest visibility is September (5km).
